热轧变形量对高钛耐磨钢组织与力学性能的影响

许帅, 孙新军, 梁小凯, 刘俊, 雍岐龙

Effect of Hot Rolling Deformation on Microstructure and Mechanical Properties of a High-Ti Wear-Resistant Steel

XU Shuai, SUN Xinjun, LIANG Xiaokai, LIU Jun, YONG Qilong

表3 不同轧制工艺高钛耐磨钢中各种强化增量及实测屈服强度与式(6)和(7)计算结果的比较 (MPa)

Table 3 Various strengthening increments and comparisons of yield strengths between the experimental and calculated results with Eqs.(6) and (7) in high-Ti wear-resistant steel with different rolling processes

Sample No.	σ₀	Δσ_p	Δσ_d	Δσ_s	Δσ_g	$\sqrt[]{Δ σ_{p}^{2} + Δ σ_{d}^{2}}$	σ_y(6)	σ_y(7)	σ_y(exp)
90-30	57	80	410	466	230	418	1495	1171	1202
90-18	57	77	406	466	256	413	1522	1192	1217
90-12	57	142	424	466	290	447	1650	1260	1220
90-9	57	165	425	466	295	456	1680	1274	1227
90-3	57	176	436	466	347	470	1741	1340	1311